[INFO] fetching crate ser-write-msgpack 0.2.0...
[INFO] checking ser-write-msgpack-0.2.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate ser-write-msgpack 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ser-write-msgpack 0.2.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ser-write-msgpack 0.2.0
[INFO] finished tweaking crates.io crate ser-write-msgpack 0.2.0
[INFO] tweaked toml for crates.io crate ser-write-msgpack 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate ser-write-msgpack 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ser-write v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1515140bb5c0538cbd0af7ccf68347b7270c9a8e0af19594b356e7fc4ba3a03a
[INFO] running `Command { std: "docker" "start" "-a" "1515140bb5c0538cbd0af7ccf68347b7270c9a8e0af19594b356e7fc4ba3a03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1515140bb5c0538cbd0af7ccf68347b7270c9a8e0af19594b356e7fc4ba3a03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1515140bb5c0538cbd0af7ccf68347b7270c9a8e0af19594b356e7fc4ba3a03a", kill_on_drop: false }`
[INFO] [stdout] 1515140bb5c0538cbd0af7ccf68347b7270c9a8e0af19594b356e7fc4ba3a03a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fca8f32fe97a38cdeac89001a8ba68d367a06dc7f6b76841b79df338ed0fdbe0
[INFO] running `Command { std: "docker" "start" "-a" "fca8f32fe97a38cdeac89001a8ba68d367a06dc7f6b76841b79df338ed0fdbe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.201
[INFO] [stderr]     Checking ser-write v0.2.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stderr]    Compiling serde_derive v1.0.201
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking ser-write-msgpack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.41s
[INFO] running `Command { std: "docker" "inspect" "fca8f32fe97a38cdeac89001a8ba68d367a06dc7f6b76841b79df338ed0fdbe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca8f32fe97a38cdeac89001a8ba68d367a06dc7f6b76841b79df338ed0fdbe0", kill_on_drop: false }`
[INFO] [stdout] fca8f32fe97a38cdeac89001a8ba68d367a06dc7f6b76841b79df338ed0fdbe0